Server Administration & Management

The supported protocols are HTTP(S), FTP, BitTorrent and Metalink. It has a powerful segmented
downloading ability, downloading a file from multiple sources and multiple protocols and utilizing
your download bandwidth to the maximum. It supports downloading a file from HTTP(S)/FTP and BitTorrent
at the same time, while the data downloaded from HTTP(S)/FTP is uploaded to the BitTorrent swarm. Using
Metalinks chunk checksums, aria2 automatically validates chunks of data while downloading a file like BitTorrent.

–file-allocation=METHOD [Specify file allocation method. METHOD is either none or prealloc. none doesnot pre-allocate file space. prealloc pre-allocates file space before download begins. This may take some time depending on the size of the file. Default: prealloc]